Calculator



FIG. 1 is a perspective view of a calculator;

FIG. 2 is a top plan view of the calculator of FIG. 1;

FIG. 3 is a left side elevational view of the calculator of FIG. 1;

FIG. 4 is a rear side elevational view of the calculator of FIG. 1;

FIG. 5 is a front side elevational view of the calculator of FIG. 1; and,

FIG. 6 is a bottom plan view of the calculator of FIG. 1.

The right side elevational view is a mirror image of the left side elevational view shown in FIG. 3. 

The ornamental design for a calculator, as shown and described. 